Top 2 Apps Similar to My First Calculator

Scientific Calculator 3 1.8
Scientific Calculator 3 is an easy to useuniversalscientificcalculator app for smartphones, tablets orotherAndroidtouchscreen devices. It evaluates mathematicalexpressionsunderconsideration of the algebraic convention "bracketsbeforepowerbefore point before line calculation". The rounding ofresultsisadjustable between 5 and 15 digits. Available notationsarenormalnotation (NORM), scientific notation (SCI) andengineeringnotation(ENG). Trigonometric calculations optionally inDegrees(DEG:1°=PI/180) or Radians (RAD: 1rad=180°/PI).ScientificCalculator 3provides a large history display, where allinputs andresults canbe checked easily. This calculation history iskeptuntil explicitdeletion. For devices without menu button:pleasetouch the screenlonger than 3sec to invoke the setup/optionsmenu!Functions onmain display: * calc operators: + - × ÷ *parentheses:( ) * squareroot and power of 2: sqrt x² * permutation:n! (inlandscape formatonly or on tablets) * reciprocal: 1/x *percentage:% * plus minussign: ± * memory: MR MS M+ * exponent(optional): ExpScientificfunctions via "sci" button and on largedisplays: * poweroperator:^ 2^ e^ 10^ * square and cube root: sqrtcbrt * naturallogarithmand logarithms of 10: ln lg * constants: pi2pi e 1/e*trigonometric, inverse trigonometric and hyperbolicfunctions:sinasin sinh asinh, cos...., tan.... **Notice:ScientificCalculator 3is based on the Open Source SoftwareArity-2.1.6"Arithmetic Enginefor Java" (Copyright © 2007-2009 MihaiPreda),which is licensedunder the Apache license 2.0.
Scientific calculator 7
Aplity
Scientific calculator with lots of options as a real one.